Combine first four ingredients. Mix with fork until crumbly. Set aside 1/4 cup crumb mixture. Press remaining crumb mixture on bottom of prepared pan. Spread filling on top of mixture to within 1/2" from edge of pan. Sprinkle reserved crumb mixture over filling. Bake 24-28minutes or until lightly browned. Cool and cut.

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I tried this recipe and was quite impressed. I used the all fruit style raspberry jam to keep it healthy. Also added more oats for the fiber. Very economical dessert and very delicious when served warm with lite ice cream or frozen yogurt, if can afford calories try frozen custard.